Microsoft
70-354 · Question #49
You are developing a Universal Windows Platform (UWP) app that will use optimistic concurrency. You need to ensure that the app can use optimistic concurrency. What should you do?
The correct answer is A. Add a column named TimeStamp that contains the last date the row was modified. See the full explanation below for the reasoning.
Question
You are developing a Universal Windows Platform (UWP) app that will use optimistic concurrency. You need to ensure that the app can use optimistic concurrency. What should you do?
Options
- AAdd a column named TimeStamp that contains the last date the row was modified.
- BWhen data is accessed, set the transaction isolation level to ReadCommitted.
- CWhen data is accessed, set the transaction isolation level to ReadUncommitted.
- DAdd a column of the Boolean type named Lock that will be set to true when a user readsthe row.
How the community answered
(29 responses)- A86% (25)
- B7% (2)
- C3% (1)
- D3% (1)
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